61207124053 has 4 divisors (see below), whose sum is σ = 61302611628. Its totient is φ = 61111636480.

The previous prime is 61207124051. The next prime is 61207124137. The reversal of 61207124053 is 35042170216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25592640529 + 35614483524 = 159977^2 + 188718^2 .

It is a cyclic number.

It is not a de Polignac number, because 61207124053 - 2¹ = 61207124051 is a prime.

It is a super-4 number, since 4×61207124053⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61207124051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47742826 + ... + 47744107.

It is an arithmetic number, because the mean of its divisors is an integer number (15325652907).

Almost surely, 2^61207124053 is an apocalyptic number.

It is an amenable number.

61207124053 is a deficient number, since it is larger than the sum of its proper divisors (95487575).

61207124053 is an equidigital number, since it uses as much as digits as its factorization.

61207124053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95487574.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 61207124053 its reverse (35042170216), we get a palindrome (96249294269).

The spelling of 61207124053 in words is "sixty-one billion, two hundred seven million, one hundred twenty-four thousand, fifty-three".